Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 7 - Section 7.2 - Proportion - Exercises - Page 277: 49


10 gal

Work Step by Step

Create a proportion using ratios of gallons:hours. $\frac{25\ gal}{3\ hr}=\frac{x\ gal}{1.2\ hr}$ Set the product of the means equal to the product of the extremes and solve for the variable. $3\times x=25\times 1.2$ $3x=30$ $3x\div3=30\div3$ $x=10$
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